химотрипсиноген

Chymotrypsinpgen the pre-cursor of Chymotrpsin with 25,000 Dalton molecular weight. It belongs to serine protease. The high purity Chymotrypsin of Beijing Geyuantianrun Bio-tech Co., Ltd.. is purified by re-crystallization, and showing one lane in electrophoresis. Items SpecificationCarries out the standardAppearance White powder USP32Identification Conforms USP32PH 3.0∼5.0 E.P6.0Microbial limits Pseudomonas aeruginosaand Negative USP32Salmonellaspecies Negative USP32Staphylococcus aureus Negative USP32Loss on drying No more than 5.0% USP32Residue on Ignition No more than 2.5% USP32Solvent Transparentness Transpanent USP32Limit of trypsin No more than 1% USP32Activity Not less than 1000 units/mg, USP32 Storage: Sealed, Dark, in Cool places.